Excellante Horizontal Liquid Scale Thermometer, -40 to 80 Degrees Fahrenheit Made out of stainless steel for durability and easy maintenance Horizontal liquid scale thermometer is ideal for restaurants, bars, buffets, cafeterias, and other eateries that contain refrigerators and freezers Meant to be read horizontally inside any refrigerator or freezer and can be fitted either hanging or standing Has a dual scale for readings in Fahrenheit or Celsius National Sanitation Federation (NSF) approved